Birdsall CEO who got 4 years for corruption released after 6 months

TRENTON — Howard Birdsall, the former CEO of an influential engineering firm who admitted flouting state campaign finance laws to funnel illegal donations to politicians, was released from prison six months into his four-year sentence, NJ Advance Media has learned. Birdsall pleaded guilty this year to second-degree misconduct by a corporate official after investigators found executives…